let demodulize do less work, and add tests
This is also faster on 1.9.
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@ -166,7 +166,9 @@ def dasherize(underscored_word)
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# "ActiveRecord::CoreExtensions::String::Inflections".demodulize # => "Inflections"
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# "Inflections".demodulize # => "Inflections"
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def demodulize(class_name_in_module)
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class_name_in_module.to_s.gsub(/^.*::/, '')
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# If you remove the module part of an empty string, you get an empty string.
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# That's why the regexp uses the * quantifier.
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class_name_in_module.to_s[/[^:]*\z/]
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end
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# Creates a foreign key name from a class name.
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@ -194,6 +194,8 @@ def test_underscore_with_slashes
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def test_demodulize
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assert_equal "Account", ActiveSupport::Inflector.demodulize("MyApplication::Billing::Account")
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assert_equal "Account", ActiveSupport::Inflector.demodulize("Account")
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assert_equal "", ActiveSupport::Inflector.demodulize("")
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end
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def test_foreign_key
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